y=x+2/x+1

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Solution for y=x+2/x+1 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

y = x+2/x+1 // - x+2/x+1

y-x-(2/x)-1 = 0

y-x-2*x^-1-1 = 0

-1*x^1-2*x^-1-1*x^0 = 0

(-1*x^2-1*x^1-2*x^0)/(x^1) = 0 // * x^2

x^1*(-1*x^2-1*x^1-2*x^0) = 0

x^1

-x^2-x-2 = 0

-x^2-x-2 = 0

DELTA = (-1)^2-(-2*(-1)*4)

DELTA = -7

DELTA < 0

x in { } 

x belongs to the empty set

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